Climate almanac
Portland
Indiana, United States · 40.43°, -84.98°
What is the weather like in Portland in May?
In May, Portland is typically 73°F (23°C) during the day and 55°F (13°C) at night. The month brings about 4.6 in (118 mm) of precipitation in total.
- Average high73°F (23°C)
- Average low55°F (13°C)
- Precipitation4.6 in (118 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)